случайно
From LSJ
ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
Russian > Greek
αὐτομάτως, ἀπο τοῦ αὐτομάτου, ἐκ τοῦ αὐτομάτου, τυχόν, τυχαίως, τυχικῶς, κατὰ συγκυρίαν